ACDelco 15-5557 GM Original Equipment Heater Bypass Valve 013051682347 making it a far more

making it a far more superior tool

any type of candy or sweet

Drop in fit for easy installation

Performance and quality tested

ACDelco 15-5557 GM Original Equipment Heater Bypass Valve 013051682347 making it a far moreRestore cooling system function and performance GM recommended replacement part for your GM vehicle's original factory component Offering the quality, reliability, and durability of GM OE Manufactured to GM OE specification for fit, form, and function ACDelco GM Original Equipment Heater Bypass Valves are control valves for the flow of coolant through the heater core. When the heater valve is closed, the bypass valve diverts the coolant flow back to